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Science SPM  Chapter 1 Safety Measures in the Laboratory
                       (d)  What  is  the  important  thing  that           Choose the most suitable type of
                          needs to be checked when                 fire extinguisher.
                          carrying  out  a  fire  extinguisher           Your answer must be based on
                          audit?               [1 mark]
                                                                   the following aspects:
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                                                                   (i)  Identify the cause
                   Section C                                                            [1 mark]
                    3.  (a)  Explain  the  method  of  using  a           (ii)  Reason for your choice
                          fire  extinguisher  in  the  correct                          [1 mark]
                          sequence.                                (iii)  State  three  advantages  of
                                              [6 marks]                each type of fire extinguisher
                                                                       in Figure 3.
                       (b)  While  boiling  some  water  in                            [3 marks]      Form 4
                          the  kitchen,  a  small  fire  broke
                          out as a result of a gas leak.           (iv)  Choose  the  best  fire
                          The  blaze  flared  up  and  a  part         extinguisher     [1 mark]
                          of the kitchen in your house is
                          burning.  You have two  types  of
                          fire extinguishers in your house.














                                (a)             (b)
                                     Figure 3


















                                                              Chapter 1 Answers




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         F4 Chapter 1.indd   13                                                               3/21/22   3:02 PM
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